Q. A female whose father was colourblind marries a normai male whose father was also colourblind. What is the probability that their son will be colour blind?
A. 0%
B. 25%
C. 50%
D. 75%
Answer: 50%
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A. 0%
B. 25%
C. 50%
D. 75%
Answer: 50%